Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Santiago to Buenos Aires. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Santiago to Buenos Aires, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The Santiago — Buenos Aires route is served by multiple airlines, including Sky Airline, B&H Airlines, and Aerolineas Argentinas. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $51, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
Santiago — Buenos Aires
07/11/2026
Departure
Direct flight
H25800
starting at $51
Santiago — Buenos Aires
11/08/2026
Departure
Direct flight
JA3881
starting at $56
Santiago — Buenos Aires
12/23/2026
Departure
Direct flight
H2535
starting at $68
Santiago — Buenos Aires
06/02/2026
Departure
Direct flight
AR1281
starting at $73
Santiago — Buenos Aires
11/29/2026
Departure
Direct flight
H2535
starting at $74
Santiago — Buenos Aires
06/06/2026
Departure
Direct flight
AR1285
starting at $75
Santiago — Buenos Aires
07/17/2026
Departure
Direct flight
AR1287
starting at $78
Santiago — Buenos Aires
06/01/2026
Departure
Direct flight
JA3883
starting at $78
Santiago — Buenos Aires
06/07/2026
Departure
Direct flight
JA3881
starting at $78
Santiago — Buenos Aires
12/14/2026
Departure
Direct flight
JA3883
starting at $80
LATAM Chile
Su, Mo, Tu, We, Fr, and Sa
starting at $91
Sky Airline
Su, Mo, Tu, We, Fr, and Sa
starting at $68
Aerolineas Argentinas
Su, Mo, Tu, We, Fr, and Sa
starting at $64
B&H Airlines
Su, Mo, Tu, We, Fr, and Sa
starting at $63
KLM
Su, Mo, Tu, We, Fr, and Sa
starting at $103
None of the 5 airlines on the Santiago — Buenos Aires route fly every day: LATAM Chile, Sky Airline, Aerolineas Argentinas, B&H Airlines, and KLM fly every day except Thursday.
The cheapest one-way flight from Santiago to Buenos Aires departs on 07/11/2026, is operated by Sky Airline and costs $51
The cheapest roundtrip flight from Santiago to Buenos Aires departs on 07/01/2026, is operated by B&H Airlines and costs $161
Fastest flight from Santiago to Buenos Aires takes 2h 5m
There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Fr, and Sa
The distance between Santiago and Buenos Aires is 1129km (700 miles). The average flight duration is 2h 3m. There are 112 direct flights from Santiago to Buenos Aires. The time difference between Santiago and Buenos Aires is 1h. Flights from Santiago begin at 4:50 AM. The latest flight from Santiago departs at 1:35 AM
The cheapest flight ticket from Santiago to Buenos Aires according to data for the last 48 hours costs $51
Often the best time to buy tickets from Santiago to Buenos Aires is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Santiago to Buenos Aires can be found flying in these months: July, November, August.
The fastest flights from Santiago to Buenos Aires start from 2 hours 5 minutes in the air.
The following airlines operate direct flights on the route Santiago — Buenos Aires: Sky Airline, B&H Airlines, Aerolineas Argentinas
In different months, ticket prices from Santiago to Buenos Aires vary: minimum — $51 (July 2026), maximum — $92 (January 2027). Typically, the flight costs $73–$158.
Prices on the Santiago — Buenos Aires route are unpredictable: costs change from month to month with no clear pattern. Still, even here some periods are more affordable than others.
Despite the fluctuations, patterns exist: the cheapest period is July 2026–August 2026 — averaging $55. The most expensive is January 2027–February 2027 ($89). The difference reaches 38%.
With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is July 2026–August 2026, where you can save up to 38%.
Price spread on this route is 20.5%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.
